Alberta (Calgary)
December
Weather in Alberta for December 2025
Your guide to Alberta weather in December - trends and predictions
The climate of Alberta in December is quite snowy, averaging 12 snowy days.
In general, the average temperature in Alberta at the beginning of December is -2.3 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -4.9 °C by the end of December.
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Snow Forecast ❄️
Temperatures
More
17
Dry days
2
Rainy days
12
Snow days
-5°/-13°
Temperatures
16 km/h
Avg max wind
82 %
Avg humidity
Alberta in December average weather
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  -5° | 2  -2° | 3 -1° | 4  -0° | 5 -2° | 6 -5° | |
| 7  -1° | 8 1° | 9 -3° | 10  -3° | 11 -1° | 12  -3° | 13 -4° |
| 14 -3° | 15 -3° | 16 -4° | 17 -6° | 18 -7° | 19 -7° | 20 -7° |
| 21 -6° | 22  -5° | 23 -6° | 24 -4° | 25 -5° | 26 -5° | 27 -6° |
| 28 -4° | 29 -6° | 30 -4° | 31 -4° |
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Temperatures trend during December in Alberta
See the weather trend as well as the moving average line
December weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Dec. | Overcast | -5° /-12° | 1.6 mm | 0.5 cm | |
| 2 Dec. | Patchy moderate snow | -2° /-13° | 1.4 mm | 0.6 cm | |
| 3 Dec. | Overcast | -1° /-10° | 0.1 mm | 0 cm | |
| 4 Dec. | Light freezing rain | 0° /-8° | 0.3 mm | 0 cm | |
| 5 Dec. | Light freezing rain | -2° /-10° | 0.7 mm | 0 cm | |
| 6 Dec. | Overcast | -5° /-11° | 1.5 mm | 0.5 cm | |
| 7 Dec. | Sunny | -1° /-11° | 2 mm | 1.3 cm | |
| 8 Dec. | Overcast | 1° /-7° | 0 mm | 0 cm | |
| 9 Dec. | Overcast | -3° /-11° | 0.1 mm | 0.1 cm | |
| 10 Dec. | Cloudy | -3° /-11° | 0.1 mm | 0.1 cm | |
| 11 Dec. | Overcast | -1° /-11° | 0.5 mm | 0.4 cm | |
| 12 Dec. | Partly cloudy | -3° /-11° | 0.7 mm | 0.3 cm | |
| 13 Dec. | Overcast | -4° /-13° | 0.7 mm | 0.1 cm | |
| 14 Dec. | Overcast | -3° /-12° | 0.8 mm | 0 cm | |
| 15 Dec. | Overcast | -3° /-11° | 0 mm | 0 cm | |
| 16 Dec. | Overcast | -4° /-12° | 0.4 mm | 0 cm | |
| 17 Dec. | Overcast | -6° /-15° | 0.4 mm | 0 cm | |
| 18 Dec. | Overcast | -7° /-15° | 1.7 mm | 1 cm | |
| 19 Dec. | Overcast | -7° /-15° | 0 mm | 0 cm | |
| 20 Dec. | Sunny | -7° /-14° | 0.2 mm | 0 cm | |
| 21 Dec. | Sunny | -6° /-14° | 1.6 mm | 1 cm | |
| 22 Dec. | Moderate snow | -5° /-14° | 4.9 mm | 2.7 cm | |
| 23 Dec. | Light freezing rain | -6° /-16° | 0.8 mm | 0.2 cm | |
| 24 Dec. | Overcast | -4° /-13° | 0 mm | 0 cm | |
| 25 Dec. | Overcast | -5° /-12° | 0.1 mm | 0 cm | |
| 26 Dec. | Light freezing rain | -5° /-12° | 0.4 mm | 0 cm | |
| 27 Dec. | Overcast | -6° /-13° | 0.9 mm | 0 cm | |
| 28 Dec. | Cloudy | -4° /-13° | 1 mm | 0.3 cm | |
| 29 Dec. | Partly cloudy | -6° /-14° | 0 mm | 0 cm | |
| 30 Dec. | Partly cloudy | -4° /-12° | 0 mm | 0 cm | |
| 31 Dec. | Overcast | -4° /-12° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Alberta in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Alberta forecast closer to your planned date for the most up-to-date weather information.
Alberta in December - FAQ
What are the expected maximum and minimum temperatures in Alberta during December?
Brace for cold days with temperatures not exceeding -5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Alberta during December?
In December, Alberta can expect light to moderate rainfall, totaling 22.2 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Alberta in December 2025?
Alberta experiences an average snowfall of 8.366 cm during December, occurring over 12 days.
What are the typical wind conditions in Alberta during December?
The average wind speed in Alberta during December is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Alberta snow forecast December 2025
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December rainfall patterns in Alberta
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